public IHttpActionResult Create(ArticleDataModel model)
{
var currentUserID = this.User.Identity.GetUserId();
var category = GetCategory(model);
var tags = GetTags(model);
var article = new Article
{
AuthorID = currentUserID,
DateCreated = DateTime.Now,
Title = model.Title,
Content = model.Content,
CategoryID = category.ID,
Tags = tags,
};
this.data.Articles.Add(article);
this.data.SaveChanges();
model.ID = article.ID;
model.DateCreated = article.DateCreated;
model.Tags = article.Tags.Select(t => t.Name);
return Ok(model);
}
private Category GetCategory(ArticleDataModel model)
{
var category = this.data.Categories.All()
.FirstOrDefault(c => c.Name == model.Category);
if (category == null)
{
category = new Category { Name = model.Category };
this.data.Categories.Add(category);
}
return category;
}
private HashSet<Tag> GetTags(ArticleDataModel model)
{
HashSet<Tag> tags = new HashSet<Tag>();
var newTagNames = model.Tags.ToList();
var tagsFromTitle = model.Title.Split(' ');
newTagNames.AddRange(tagsFromTitle);
foreach (var newTagName in newTagNames)
{
var tag = this.data.Tags.All()
.FirstOrDefault(t => t.Name == newTagName);
if (tag == null)
{
tag = new Tag { Name = newTagName };
this.data.Tags.Add(tag);
}
tags.Add(tag);
}
return tags;
}